A nurse is educating a client about the inheritance pattern of cystic fibrosis (CF). What information should the nurse provide regarding the likelihood of a child developing CF if both parents are carriers?

"If both parents are carriers, there is a 50% chance that their child will have CF."

"If both parents are carriers, their child is guaranteed to have CF."

"If both parents are carriers, their child will be a carrier but will not have CF."

"If both parents are carriers, their child will have a 25% chance of having CF."

Answer and Explanation

The Correct Answer is D

A) Incorrect. If both parents are carriers, their child's risk of having CF is 25%, not 50%.

B) Incorrect. While the risk is increased, having two carrier parents does not guarantee that a child will have CF.

C) Incorrect. If both parents are carriers, their child can inherit two normal genes (no CF), one normal and one CF gene (carrier status), or two CF genes (CF).

D) Correct. When both parents are carriers, there is a 25% chance that their child will inherit two CF genes and have CF, a 50% chance of being a carrier, and a 25% chance of inheriting two normal genes (no CF).

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Correct Answer is C

Explanation

A) Incorrect. Meconium ileus is a complication typically seen in newborns with CF, not in adults.

B) Incorrect. Failure to thrive is a concern in infants and young children with CF but not typically in adults.

C) Correct. Osteoporosis is a common complication in adults with CF due to malabsorption of calcium and vitamin D, chronic inflammation, and reduced physical activity.

D) Incorrect. Rapid growth and development are typically observed in adolescents, not as a complication but as a part of normal growth.

A. "The CFTR protein regulates blood sugar levels in the body." B. "CFTR facilitates the transport of oxygen in the bloodstream." C. "The CFTR protein controls the movement of chloride ions and water across cell membranes." D. "CFTR is responsible for the production of digestive enzymes in the pancreas."

Correct Answer is C

Explanation

A) Incorrect. The CFTR protein does not regulate blood sugar levels.

B) Incorrect. CFTR does not play a role in oxygen transport in the bloodstream.

C) Correct. The primary function of the CFTR protein is to regulate chloride ion and water movement across cell membranes, which is disrupted in individuals with CF.

D) Incorrect. The production of digestive enzymes in the pancreas is not a direct function of the CFTR protein.

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A nurse is educating a client about the inheritance pattern of cystic fibrosis (CF). What information should the nurse provide regarding the likelihood of a child developing CF if both parents are carriers?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is educating a client with cystic fibrosis (CF) about potential complications of the disease. Which of the following should the nurse mention as a common complication of CF in adults?

Correct Answer is C

Explanation

A nurse is explaining the role of the CFTR protein in cystic fibrosis to a client. Which function of the CFTR protein should the nurse highlight?

Correct Answer is C

Explanation

A client with cystic fibrosis (CF) presents with clubbed fingers during a routine examination. What should the nurse explain to the client regarding the significance of clubbing in CF?

A nurse is explaining the pathophysiology of cystic fibrosis (CF) to a newly diagnosed patient. Which statement accurately describes the genetic basis of CF?

A nurse is educating a client about the diagnostic process for cystic fibrosis (CF). What diagnostic test measures the concentration of chloride ions in sweat and is often used to confirm CF?

A nurse is assessing a client with cystic fibrosis. Which clinical manifestation is commonly associated with CF and should be monitored closely?

A nurse is discussing the impact of cystic fibrosis (CF) on the digestive system with a client. Which statement accurately describes a common gastrointestinal complication of CF?

A nurse is educating a client with cystic fibrosis (CF) about the importance of airway clearance techniques. What should the nurse explain as the primary goal of these techniques?

A client with suspected cystic fibrosis (CF) is undergoing diagnostic testing. What diagnostic procedure is often used to confirm CF by analyzing the genetic mutations present?

A nurse is discussing the role of genetic testing in cystic fibrosis (CF) diagnosis with a client. What should the nurse emphasize regarding the importance of genetic testing for CF?